20317050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 61746048

約数和(自身を除く): 41428998

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 150, 151, 195, 207, 225, 230, 234, 299, 302, 325, 345, 390, 414, 450, 453, 575, 585, 598, 650, 690, 755, 897, 906, 975, 1035, 1150, 1170, 1359, 1495, 1510, 1725, 1794, 1950, 1963, 2070, 2265, 2691, 2718, 2925, 2990, 3450, 3473, 3775, 3926, 4485, 4530, 5175, 5382, 5850, 5889, 6795, 6946, 7475, 7550, 8970, 9815, 10350, 10419, 11325, 11778, 13455, 13590, 14950, 17365, 17667, 19630, 20838, 22425, 22650, 26910, 29445, 31257, 33975, 34730, 35334, 44850, 45149, 49075, 52095, 58890, 62514, 67275, 67950, 86825, 88335, 90298, 98150, 104190, 134550, 135447, 147225, 156285, 173650, 176670, 225745, 260475, 270894, 294450, 312570, 406341, 441675, 451490, 520950, 677235, 781425, 812682, 883350, 1128725, 1354470, 1562850, 2031705, 2257450, 3386175, 4063410, 6772350, 10158525, 20317050]

約数ペア:

[(1, 20317050), (2, 10158525), (3, 6772350), (5, 4063410), (6, 3386175), (9, 2257450), (10, 2031705), (13, 1562850), (15, 1354470), (18, 1128725), (23, 883350), (25, 812682), (26, 781425), (30, 677235), (39, 520950), (45, 451490), (46, 441675), (50, 406341), (65, 312570), (69, 294450), (75, 270894), (78, 260475), (90, 225745), (115, 176670), (117, 173650), (130, 156285), (138, 147225), (150, 135447), (151, 134550), (195, 104190), (207, 98150), (225, 90298), (230, 88335), (234, 86825), (299, 67950), (302, 67275), (325, 62514), (345, 58890), (390, 52095), (414, 49075), (450, 45149), (453, 44850), (575, 35334), (585, 34730), (598, 33975), (650, 31257), (690, 29445), (755, 26910), (897, 22650), (906, 22425), (975, 20838), (1035, 19630), (1150, 17667), (1170, 17365), (1359, 14950), (1495, 13590), (1510, 13455), (1725, 11778), (1794, 11325), (1950, 10419), (1963, 10350), (2070, 9815), (2265, 8970), (2691, 7550), (2718, 7475), (2925, 6946), (2990, 6795), (3450, 5889), (3473, 5850), (3775, 5382), (3926, 5175), (4485, 4530)]