20793870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 57957120

約数和(自身を除く): 37163250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 31, 45, 58, 62, 87, 90, 93, 145, 155, 174, 186, 257, 261, 279, 290, 310, 435, 465, 514, 522, 558, 771, 870, 899, 930, 1285, 1305, 1395, 1542, 1798, 2313, 2570, 2610, 2697, 2790, 3855, 4495, 4626, 5394, 7453, 7710, 7967, 8091, 8990, 11565, 13485, 14906, 15934, 16182, 22359, 23130, 23901, 26970, 37265, 39835, 40455, 44718, 47802, 67077, 71703, 74530, 79670, 80910, 111795, 119505, 134154, 143406, 223590, 231043, 239010, 335385, 358515, 462086, 670770, 693129, 717030, 1155215, 1386258, 2079387, 2310430, 3465645, 4158774, 6931290, 10396935, 20793870]

約数ペア:

[(1, 20793870), (2, 10396935), (3, 6931290), (5, 4158774), (6, 3465645), (9, 2310430), (10, 2079387), (15, 1386258), (18, 1155215), (29, 717030), (30, 693129), (31, 670770), (45, 462086), (58, 358515), (62, 335385), (87, 239010), (90, 231043), (93, 223590), (145, 143406), (155, 134154), (174, 119505), (186, 111795), (257, 80910), (261, 79670), (279, 74530), (290, 71703), (310, 67077), (435, 47802), (465, 44718), (514, 40455), (522, 39835), (558, 37265), (771, 26970), (870, 23901), (899, 23130), (930, 22359), (1285, 16182), (1305, 15934), (1395, 14906), (1542, 13485), (1798, 11565), (2313, 8990), (2570, 8091), (2610, 7967), (2697, 7710), (2790, 7453), (3855, 5394), (4495, 4626)]