20217648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^2$

素因数の和:151

約数の個数: 90

約数和(自身を含む): 58398172

約数和(自身を除く): 38180524

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 121, 132, 176, 177, 236, 242, 264, 354, 363, 472, 484, 528, 649, 708, 726, 944, 968, 1298, 1416, 1452, 1936, 1947, 2596, 2832, 2904, 3481, 3894, 5192, 5808, 6962, 7139, 7788, 10384, 10443, 13924, 14278, 15576, 20886, 21417, 27848, 28556, 31152, 38291, 41772, 42834, 55696, 57112, 76582, 83544, 85668, 114224, 114873, 153164, 167088, 171336, 229746, 306328, 342672, 421201, 459492, 612656, 842402, 918984, 1263603, 1684804, 1837968, 2527206, 3369608, 5054412, 6739216, 10108824, 20217648]

約数ペア:

[(1, 20217648), (2, 10108824), (3, 6739216), (4, 5054412), (6, 3369608), (8, 2527206), (11, 1837968), (12, 1684804), (16, 1263603), (22, 918984), (24, 842402), (33, 612656), (44, 459492), (48, 421201), (59, 342672), (66, 306328), (88, 229746), (118, 171336), (121, 167088), (132, 153164), (176, 114873), (177, 114224), (236, 85668), (242, 83544), (264, 76582), (354, 57112), (363, 55696), (472, 42834), (484, 41772), (528, 38291), (649, 31152), (708, 28556), (726, 27848), (944, 21417), (968, 20886), (1298, 15576), (1416, 14278), (1452, 13924), (1936, 10443), (1947, 10384), (2596, 7788), (2832, 7139), (2904, 6962), (3481, 5808), (3894, 5192)]