20270910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 57853440

約数和(自身を除く): 37582530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 53, 55, 57, 61, 66, 95, 106, 110, 114, 122, 159, 165, 183, 190, 209, 265, 285, 305, 318, 330, 366, 418, 530, 570, 583, 610, 627, 671, 795, 915, 1007, 1045, 1159, 1166, 1254, 1342, 1590, 1749, 1830, 2013, 2014, 2090, 2318, 2915, 3021, 3135, 3233, 3355, 3477, 3498, 4026, 5035, 5795, 5830, 6042, 6270, 6466, 6710, 6954, 8745, 9699, 10065, 10070, 11077, 11590, 12749, 15105, 16165, 17385, 17490, 19398, 20130, 22154, 25498, 30210, 32330, 33231, 34770, 35563, 38247, 48495, 55385, 61427, 63745, 66462, 71126, 76494, 96990, 106689, 110770, 122854, 127490, 166155, 177815, 184281, 191235, 213378, 307135, 332310, 355630, 368562, 382470, 533445, 614270, 675697, 921405, 1066890, 1351394, 1842810, 2027091, 3378485, 4054182, 6756970, 10135455, 20270910]

約数ペア:

[(1, 20270910), (2, 10135455), (3, 6756970), (5, 4054182), (6, 3378485), (10, 2027091), (11, 1842810), (15, 1351394), (19, 1066890), (22, 921405), (30, 675697), (33, 614270), (38, 533445), (53, 382470), (55, 368562), (57, 355630), (61, 332310), (66, 307135), (95, 213378), (106, 191235), (110, 184281), (114, 177815), (122, 166155), (159, 127490), (165, 122854), (183, 110770), (190, 106689), (209, 96990), (265, 76494), (285, 71126), (305, 66462), (318, 63745), (330, 61427), (366, 55385), (418, 48495), (530, 38247), (570, 35563), (583, 34770), (610, 33231), (627, 32330), (671, 30210), (795, 25498), (915, 22154), (1007, 20130), (1045, 19398), (1159, 17490), (1166, 17385), (1254, 16165), (1342, 15105), (1590, 12749), (1749, 11590), (1830, 11077), (2013, 10070), (2014, 10065), (2090, 9699), (2318, 8745), (2915, 6954), (3021, 6710), (3135, 6466), (3233, 6270), (3355, 6042), (3477, 5830), (3498, 5795), (4026, 5035)]