20176784560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2471

約数の個数: 160

約数和(自身を含む): 50979004992

約数和(自身を除く): 30802220432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 107, 122, 136, 170, 214, 244, 272, 305, 340, 428, 488, 535, 610, 680, 856, 976, 1037, 1070, 1220, 1360, 1712, 1819, 2074, 2140, 2273, 2440, 3638, 4148, 4280, 4546, 4880, 5185, 6527, 7276, 8296, 8560, 9092, 9095, 10370, 11365, 13054, 14552, 16592, 18184, 18190, 20740, 22730, 26108, 29104, 32635, 36368, 36380, 38641, 41480, 45460, 52216, 65270, 72760, 77282, 82960, 90920, 104432, 110959, 130540, 138653, 145520, 154564, 181840, 193205, 221918, 243211, 261080, 277306, 309128, 386410, 443836, 486422, 522160, 554612, 554795, 618256, 693265, 772820, 887672, 972844, 1109224, 1109590, 1216055, 1386530, 1545640, 1775344, 1945688, 2218448, 2219180, 2357101, 2432110, 2773060, 3091280, 3891376, 4134587, 4438360, 4714202, 4864220, 5546120, 8269174, 8876720, 9428404, 9728440, 11092240, 11785505, 14835871, 16538348, 18856808, 19456880, 20672935, 23571010, 29671742, 33076696, 37713616, 41345870, 47142020, 59343484, 66153392, 74179355, 82691740, 94284040, 118686968, 148358710, 165383480, 188568080, 237373936, 252209807, 296717420, 330766960, 504419614, 593434840, 1008839228, 1186869680, 1261049035, 2017678456, 2522098070, 4035356912, 5044196140, 10088392280, 20176784560]

約数ペア:

[(1, 20176784560), (2, 10088392280), (4, 5044196140), (5, 4035356912), (8, 2522098070), (10, 2017678456), (16, 1261049035), (17, 1186869680), (20, 1008839228), (34, 593434840), (40, 504419614), (61, 330766960), (68, 296717420), (80, 252209807), (85, 237373936), (107, 188568080), (122, 165383480), (136, 148358710), (170, 118686968), (214, 94284040), (244, 82691740), (272, 74179355), (305, 66153392), (340, 59343484), (428, 47142020), (488, 41345870), (535, 37713616), (610, 33076696), (680, 29671742), (856, 23571010), (976, 20672935), (1037, 19456880), (1070, 18856808), (1220, 16538348), (1360, 14835871), (1712, 11785505), (1819, 11092240), (2074, 9728440), (2140, 9428404), (2273, 8876720), (2440, 8269174), (3638, 5546120), (4148, 4864220), (4280, 4714202), (4546, 4438360), (4880, 4134587), (5185, 3891376), (6527, 3091280), (7276, 2773060), (8296, 2432110), (8560, 2357101), (9092, 2219180), (9095, 2218448), (10370, 1945688), (11365, 1775344), (13054, 1545640), (14552, 1386530), (16592, 1216055), (18184, 1109590), (18190, 1109224), (20740, 972844), (22730, 887672), (26108, 772820), (29104, 693265), (32635, 618256), (36368, 554795), (36380, 554612), (38641, 522160), (41480, 486422), (45460, 443836), (52216, 386410), (65270, 309128), (72760, 277306), (77282, 261080), (82960, 243211), (90920, 221918), (104432, 193205), (110959, 181840), (130540, 154564), (138653, 145520)]