20730010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 24557414

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 233, 287, 310, 410, 434, 466, 574, 1085, 1165, 1271, 1435, 1631, 2170, 2330, 2542, 2870, 3262, 6355, 7223, 8155, 8897, 9553, 12710, 14446, 16310, 17794, 19106, 36115, 44485, 47765, 50561, 66871, 72230, 88970, 95530, 101122, 133742, 252805, 296143, 334355, 505610, 592286, 668710, 1480715, 2073001, 2961430, 4146002, 10365005, 20730010]

約数ペア:

[(1, 20730010), (2, 10365005), (5, 4146002), (7, 2961430), (10, 2073001), (14, 1480715), (31, 668710), (35, 592286), (41, 505610), (62, 334355), (70, 296143), (82, 252805), (155, 133742), (205, 101122), (217, 95530), (233, 88970), (287, 72230), (310, 66871), (410, 50561), (434, 47765), (466, 44485), (574, 36115), (1085, 19106), (1165, 17794), (1271, 16310), (1435, 14446), (1631, 12710), (2170, 9553), (2330, 8897), (2542, 8155), (2870, 7223), (3262, 6355)]