20131471778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1\times {\mathrm{757}}^1$

素因数の和:1443

約数の個数: 64

約数和(自身を含む): 34651393920

約数和(自身を除く): 14519922142

約数列:

[1, 2, 11, 22, 29, 58, 73, 146, 319, 571, 638, 757, 803, 1142, 1514, 1606, 2117, 4234, 6281, 8327, 12562, 16559, 16654, 21953, 23287, 33118, 41683, 43906, 46574, 55261, 83366, 110522, 182149, 241483, 364298, 432247, 458513, 482966, 607871, 864494, 917026, 1208807, 1215742, 1602569, 2417614, 3205138, 4754717, 9509434, 12535163, 13296877, 17628259, 25070326, 26593754, 31554031, 35256518, 63108062, 137886793, 275773586, 347094341, 694188682, 915066899, 1830133798, 10065735889, 20131471778]

約数ペア:

[(1, 20131471778), (2, 10065735889), (11, 1830133798), (22, 915066899), (29, 694188682), (58, 347094341), (73, 275773586), (146, 137886793), (319, 63108062), (571, 35256518), (638, 31554031), (757, 26593754), (803, 25070326), (1142, 17628259), (1514, 13296877), (1606, 12535163), (2117, 9509434), (4234, 4754717), (6281, 3205138), (8327, 2417614), (12562, 1602569), (16559, 1215742), (16654, 1208807), (21953, 917026), (23287, 864494), (33118, 607871), (41683, 482966), (43906, 458513), (46574, 432247), (55261, 364298), (83366, 241483), (110522, 182149)]