20204448

素因数分解:

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

素因数の和:115

約数の個数: 144

約数和(自身を含む): 62215776

約数和(自身を除く): 42011328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 53, 57, 66, 76, 88, 96, 106, 114, 132, 152, 159, 176, 209, 212, 228, 264, 304, 318, 352, 361, 418, 424, 456, 528, 583, 608, 627, 636, 722, 836, 848, 912, 1007, 1056, 1083, 1166, 1254, 1272, 1444, 1672, 1696, 1749, 1824, 2014, 2166, 2332, 2508, 2544, 2888, 3021, 3344, 3498, 3971, 4028, 4332, 4664, 5016, 5088, 5776, 6042, 6688, 6996, 7942, 8056, 8664, 9328, 10032, 11077, 11552, 11913, 12084, 13992, 15884, 16112, 17328, 18656, 19133, 20064, 22154, 23826, 24168, 27984, 31768, 32224, 33231, 34656, 38266, 44308, 47652, 48336, 55968, 57399, 63536, 66462, 76532, 88616, 95304, 96672, 114798, 127072, 132924, 153064, 177232, 190608, 210463, 229596, 265848, 306128, 354464, 381216, 420926, 459192, 531696, 612256, 631389, 841852, 918384, 1063392, 1262778, 1683704, 1836768, 2525556, 3367408, 5051112, 6734816, 10102224, 20204448]

約数ペア:

[(1, 20204448), (2, 10102224), (3, 6734816), (4, 5051112), (6, 3367408), (8, 2525556), (11, 1836768), (12, 1683704), (16, 1262778), (19, 1063392), (22, 918384), (24, 841852), (32, 631389), (33, 612256), (38, 531696), (44, 459192), (48, 420926), (53, 381216), (57, 354464), (66, 306128), (76, 265848), (88, 229596), (96, 210463), (106, 190608), (114, 177232), (132, 153064), (152, 132924), (159, 127072), (176, 114798), (209, 96672), (212, 95304), (228, 88616), (264, 76532), (304, 66462), (318, 63536), (352, 57399), (361, 55968), (418, 48336), (424, 47652), (456, 44308), (528, 38266), (583, 34656), (608, 33231), (627, 32224), (636, 31768), (722, 27984), (836, 24168), (848, 23826), (912, 22154), (1007, 20064), (1056, 19133), (1083, 18656), (1166, 17328), (1254, 16112), (1272, 15884), (1444, 13992), (1672, 12084), (1696, 11913), (1749, 11552), (1824, 11077), (2014, 10032), (2166, 9328), (2332, 8664), (2508, 8056), (2544, 7942), (2888, 6996), (3021, 6688), (3344, 6042), (3498, 5776), (3971, 5088), (4028, 5016), (4332, 4664)]