20362240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 88

約数和(自身を含む): 50552712

約数和(自身を除く): 30190472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 97, 128, 160, 164, 194, 205, 256, 320, 328, 388, 410, 485, 512, 640, 656, 776, 820, 970, 1024, 1280, 1312, 1552, 1640, 1940, 2560, 2624, 3104, 3280, 3880, 3977, 5120, 5248, 6208, 6560, 7760, 7954, 10496, 12416, 13120, 15520, 15908, 19885, 20992, 24832, 26240, 31040, 31816, 39770, 41984, 49664, 52480, 62080, 63632, 79540, 99328, 104960, 124160, 127264, 159080, 209920, 248320, 254528, 318160, 496640, 509056, 636320, 1018112, 1272640, 2036224, 2545280, 4072448, 5090560, 10181120, 20362240]

約数ペア:

[(1, 20362240), (2, 10181120), (4, 5090560), (5, 4072448), (8, 2545280), (10, 2036224), (16, 1272640), (20, 1018112), (32, 636320), (40, 509056), (41, 496640), (64, 318160), (80, 254528), (82, 248320), (97, 209920), (128, 159080), (160, 127264), (164, 124160), (194, 104960), (205, 99328), (256, 79540), (320, 63632), (328, 62080), (388, 52480), (410, 49664), (485, 41984), (512, 39770), (640, 31816), (656, 31040), (776, 26240), (820, 24832), (970, 20992), (1024, 19885), (1280, 15908), (1312, 15520), (1552, 13120), (1640, 12416), (1940, 10496), (2560, 7954), (2624, 7760), (3104, 6560), (3280, 6208), (3880, 5248), (3977, 5120)]