20394144

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3762

約数の個数: 72

約数和(自身を含む): 61064640

約数和(自身を除く): 40670496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3727, 5472, 7454, 11181, 14908, 22362, 29816, 33543, 44724, 59632, 67086, 70813, 89448, 119264, 134172, 141626, 178896, 212439, 268344, 283252, 357792, 424878, 536688, 566504, 637317, 849756, 1073376, 1133008, 1274634, 1699512, 2266016, 2549268, 3399024, 5098536, 6798048, 10197072, 20394144]

約数ペア:

[(1, 20394144), (2, 10197072), (3, 6798048), (4, 5098536), (6, 3399024), (8, 2549268), (9, 2266016), (12, 1699512), (16, 1274634), (18, 1133008), (19, 1073376), (24, 849756), (32, 637317), (36, 566504), (38, 536688), (48, 424878), (57, 357792), (72, 283252), (76, 268344), (96, 212439), (114, 178896), (144, 141626), (152, 134172), (171, 119264), (228, 89448), (288, 70813), (304, 67086), (342, 59632), (456, 44724), (608, 33543), (684, 29816), (912, 22362), (1368, 14908), (1824, 11181), (2736, 7454), (3727, 5472)]