20248968420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{9067}}^1$

素因数の和:9754

約数の個数: 144

約数和(自身を含む): 64760754240

約数和(自身を除く): 44511785820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 653, 684, 855, 1140, 1306, 1710, 1959, 2612, 3265, 3420, 3918, 5877, 6530, 7836, 9067, 9795, 11754, 12407, 13060, 18134, 19590, 23508, 24814, 27201, 29385, 36268, 37221, 39180, 45335, 49628, 54402, 58770, 62035, 74442, 81603, 90670, 108804, 111663, 117540, 124070, 136005, 148884, 163206, 172273, 181340, 186105, 223326, 248140, 272010, 326412, 344546, 372210, 408015, 446652, 516819, 544020, 558315, 689092, 744420, 816030, 861365, 1033638, 1116630, 1550457, 1632060, 1722730, 2067276, 2233260, 2584095, 3100914, 3445460, 5168190, 5920751, 6201828, 7752285, 10336380, 11841502, 15504570, 17762253, 23683004, 29603755, 31009140, 35524506, 53286759, 59207510, 71049012, 88811265, 106573518, 112494269, 118415020, 177622530, 213147036, 224988538, 266433795, 337482807, 355245060, 449977076, 532867590, 562471345, 674965614, 1012448421, 1065735180, 1124942690, 1349931228, 1687414035, 2024896842, 2249885380, 3374828070, 4049793684, 5062242105, 6749656140, 10124484210, 20248968420]

約数ペア:

[(1, 20248968420), (2, 10124484210), (3, 6749656140), (4, 5062242105), (5, 4049793684), (6, 3374828070), (9, 2249885380), (10, 2024896842), (12, 1687414035), (15, 1349931228), (18, 1124942690), (19, 1065735180), (20, 1012448421), (30, 674965614), (36, 562471345), (38, 532867590), (45, 449977076), (57, 355245060), (60, 337482807), (76, 266433795), (90, 224988538), (95, 213147036), (114, 177622530), (171, 118415020), (180, 112494269), (190, 106573518), (228, 88811265), (285, 71049012), (342, 59207510), (380, 53286759), (570, 35524506), (653, 31009140), (684, 29603755), (855, 23683004), (1140, 17762253), (1306, 15504570), (1710, 11841502), (1959, 10336380), (2612, 7752285), (3265, 6201828), (3420, 5920751), (3918, 5168190), (5877, 3445460), (6530, 3100914), (7836, 2584095), (9067, 2233260), (9795, 2067276), (11754, 1722730), (12407, 1632060), (13060, 1550457), (18134, 1116630), (19590, 1033638), (23508, 861365), (24814, 816030), (27201, 744420), (29385, 689092), (36268, 558315), (37221, 544020), (39180, 516819), (45335, 446652), (49628, 408015), (54402, 372210), (58770, 344546), (62035, 326412), (74442, 272010), (81603, 248140), (90670, 223326), (108804, 186105), (111663, 181340), (117540, 172273), (124070, 163206), (136005, 148884)]