20966310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 60710400

約数和(自身を除く): 39744090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 61, 67, 90, 95, 114, 122, 134, 135, 171, 183, 190, 201, 270, 285, 305, 335, 342, 366, 402, 513, 549, 570, 603, 610, 670, 855, 915, 1005, 1026, 1098, 1159, 1206, 1273, 1647, 1710, 1809, 1830, 2010, 2318, 2546, 2565, 2745, 3015, 3294, 3477, 3618, 3819, 4087, 5130, 5490, 5795, 6030, 6365, 6954, 7638, 8174, 8235, 9045, 10431, 11457, 11590, 12261, 12730, 16470, 17385, 18090, 19095, 20435, 20862, 22914, 24522, 31293, 34371, 34770, 36783, 38190, 40870, 52155, 57285, 61305, 62586, 68742, 73566, 77653, 104310, 110349, 114570, 122610, 155306, 156465, 171855, 183915, 220698, 232959, 312930, 343710, 367830, 388265, 465918, 551745, 698877, 776530, 1103490, 1164795, 1397754, 2096631, 2329590, 3494385, 4193262, 6988770, 10483155, 20966310]

約数ペア:

[(1, 20966310), (2, 10483155), (3, 6988770), (5, 4193262), (6, 3494385), (9, 2329590), (10, 2096631), (15, 1397754), (18, 1164795), (19, 1103490), (27, 776530), (30, 698877), (38, 551745), (45, 465918), (54, 388265), (57, 367830), (61, 343710), (67, 312930), (90, 232959), (95, 220698), (114, 183915), (122, 171855), (134, 156465), (135, 155306), (171, 122610), (183, 114570), (190, 110349), (201, 104310), (270, 77653), (285, 73566), (305, 68742), (335, 62586), (342, 61305), (366, 57285), (402, 52155), (513, 40870), (549, 38190), (570, 36783), (603, 34770), (610, 34371), (670, 31293), (855, 24522), (915, 22914), (1005, 20862), (1026, 20435), (1098, 19095), (1159, 18090), (1206, 17385), (1273, 16470), (1647, 12730), (1710, 12261), (1809, 11590), (1830, 11457), (2010, 10431), (2318, 9045), (2546, 8235), (2565, 8174), (2745, 7638), (3015, 6954), (3294, 6365), (3477, 6030), (3618, 5795), (3819, 5490), (4087, 5130)]