20449944

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 59136480

約数和(自身を除く): 38686536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 53, 69, 72, 92, 106, 138, 159, 184, 207, 212, 233, 276, 318, 414, 424, 466, 477, 552, 636, 699, 828, 932, 954, 1219, 1272, 1398, 1656, 1864, 1908, 2097, 2438, 2796, 3657, 3816, 4194, 4876, 5359, 5592, 7314, 8388, 9752, 10718, 10971, 12349, 14628, 16077, 16776, 21436, 21942, 24698, 29256, 32154, 37047, 42872, 43884, 48231, 49396, 64308, 74094, 87768, 96462, 98792, 111141, 128616, 148188, 192924, 222282, 284027, 296376, 385848, 444564, 568054, 852081, 889128, 1136108, 1704162, 2272216, 2556243, 3408324, 5112486, 6816648, 10224972, 20449944]

約数ペア:

[(1, 20449944), (2, 10224972), (3, 6816648), (4, 5112486), (6, 3408324), (8, 2556243), (9, 2272216), (12, 1704162), (18, 1136108), (23, 889128), (24, 852081), (36, 568054), (46, 444564), (53, 385848), (69, 296376), (72, 284027), (92, 222282), (106, 192924), (138, 148188), (159, 128616), (184, 111141), (207, 98792), (212, 96462), (233, 87768), (276, 74094), (318, 64308), (414, 49396), (424, 48231), (466, 43884), (477, 42872), (552, 37047), (636, 32154), (699, 29256), (828, 24698), (932, 21942), (954, 21436), (1219, 16776), (1272, 16077), (1398, 14628), (1656, 12349), (1864, 10971), (1908, 10718), (2097, 9752), (2438, 8388), (2796, 7314), (3657, 5592), (3816, 5359), (4194, 4876)]