20199377358

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{69481}}^1$

素因数の和:70041

約数の個数: 48

約数和(自身を含む): 45264465792

約数和(自身を除く): 25065088434

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 521, 558, 1042, 1563, 3126, 4689, 9378, 16151, 32302, 48453, 69481, 96906, 138962, 145359, 208443, 290718, 416886, 625329, 1250658, 2153911, 4307822, 6461733, 12923466, 19385199, 36199601, 38770398, 72399202, 108598803, 217197606, 325796409, 651592818, 1122187631, 2244375262, 3366562893, 6733125786, 10099688679, 20199377358]

約数ペア:

[(1, 20199377358), (2, 10099688679), (3, 6733125786), (6, 3366562893), (9, 2244375262), (18, 1122187631), (31, 651592818), (62, 325796409), (93, 217197606), (186, 108598803), (279, 72399202), (521, 38770398), (558, 36199601), (1042, 19385199), (1563, 12923466), (3126, 6461733), (4689, 4307822), (9378, 2153911), (16151, 1250658), (32302, 625329), (48453, 416886), (69481, 290718), (96906, 208443), (138962, 145359)]