20225880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2993

約数の個数: 96

約数和(自身を含む): 69217200

約数和(自身を除く): 48991320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2957, 3420, 5914, 6840, 8871, 11828, 14785, 17742, 23656, 26613, 29570, 35484, 44355, 53226, 56183, 59140, 70968, 88710, 106452, 112366, 118280, 133065, 168549, 177420, 212904, 224732, 266130, 280915, 337098, 354840, 449464, 505647, 532260, 561830, 674196, 842745, 1011294, 1064520, 1123660, 1348392, 1685490, 2022588, 2247320, 2528235, 3370980, 4045176, 5056470, 6741960, 10112940, 20225880]

約数ペア:

[(1, 20225880), (2, 10112940), (3, 6741960), (4, 5056470), (5, 4045176), (6, 3370980), (8, 2528235), (9, 2247320), (10, 2022588), (12, 1685490), (15, 1348392), (18, 1123660), (19, 1064520), (20, 1011294), (24, 842745), (30, 674196), (36, 561830), (38, 532260), (40, 505647), (45, 449464), (57, 354840), (60, 337098), (72, 280915), (76, 266130), (90, 224732), (95, 212904), (114, 177420), (120, 168549), (152, 133065), (171, 118280), (180, 112366), (190, 106452), (228, 88710), (285, 70968), (342, 59140), (360, 56183), (380, 53226), (456, 44355), (570, 35484), (684, 29570), (760, 26613), (855, 23656), (1140, 17742), (1368, 14785), (1710, 11828), (2280, 8871), (2957, 6840), (3420, 5914)]