20178331212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{6269}}^1$

素因数の和:6775

約数の個数: 96

約数和(自身を含む): 51909580800

約数和(自身を除く): 31731249588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 439, 564, 611, 878, 1222, 1317, 1756, 1833, 2444, 2634, 3666, 5268, 5707, 6269, 7332, 11414, 12538, 17121, 18807, 20633, 22828, 25076, 34242, 37614, 41266, 61899, 68484, 75228, 81497, 82532, 123798, 162994, 244491, 247596, 268229, 294643, 325988, 488982, 536458, 589286, 804687, 883929, 977964, 1072916, 1178572, 1609374, 1767858, 2752091, 3218748, 3535716, 3830359, 5504182, 7660718, 8256273, 11008364, 11491077, 15321436, 16512546, 22982154, 33025092, 35777183, 45964308, 71554366, 107331549, 129348277, 143108732, 214663098, 258696554, 388044831, 429326196, 517393108, 776089662, 1552179324, 1681527601, 3363055202, 5044582803, 6726110404, 10089165606, 20178331212]

約数ペア:

[(1, 20178331212), (2, 10089165606), (3, 6726110404), (4, 5044582803), (6, 3363055202), (12, 1681527601), (13, 1552179324), (26, 776089662), (39, 517393108), (47, 429326196), (52, 388044831), (78, 258696554), (94, 214663098), (141, 143108732), (156, 129348277), (188, 107331549), (282, 71554366), (439, 45964308), (564, 35777183), (611, 33025092), (878, 22982154), (1222, 16512546), (1317, 15321436), (1756, 11491077), (1833, 11008364), (2444, 8256273), (2634, 7660718), (3666, 5504182), (5268, 3830359), (5707, 3535716), (6269, 3218748), (7332, 2752091), (11414, 1767858), (12538, 1609374), (17121, 1178572), (18807, 1072916), (20633, 977964), (22828, 883929), (25076, 804687), (34242, 589286), (37614, 536458), (41266, 488982), (61899, 325988), (68484, 294643), (75228, 268229), (81497, 247596), (82532, 244491), (123798, 162994)]