20449472

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 23075968

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 251, 268, 304, 502, 536, 608, 1004, 1072, 1216, 1273, 2008, 2144, 2546, 4016, 4288, 4769, 5092, 8032, 9538, 10184, 16064, 16817, 19076, 20368, 33634, 38152, 40736, 67268, 76304, 81472, 134536, 152608, 269072, 305216, 319523, 538144, 639046, 1076288, 1278092, 2556184, 5112368, 10224736, 20449472]

約数ペア:

[(1, 20449472), (2, 10224736), (4, 5112368), (8, 2556184), (16, 1278092), (19, 1076288), (32, 639046), (38, 538144), (64, 319523), (67, 305216), (76, 269072), (134, 152608), (152, 134536), (251, 81472), (268, 76304), (304, 67268), (502, 40736), (536, 38152), (608, 33634), (1004, 20368), (1072, 19076), (1216, 16817), (1273, 16064), (2008, 10184), (2144, 9538), (2546, 8032), (4016, 5092), (4288, 4769)]