20448864

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 63488880

約数和(自身を除く): 43040016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 72, 74, 76, 96, 101, 111, 114, 144, 148, 152, 171, 202, 222, 228, 288, 296, 303, 304, 333, 342, 404, 444, 456, 592, 606, 608, 666, 684, 703, 808, 888, 909, 912, 1184, 1212, 1332, 1368, 1406, 1616, 1776, 1818, 1824, 1919, 2109, 2424, 2664, 2736, 2812, 3232, 3552, 3636, 3737, 3838, 4218, 4848, 5328, 5472, 5624, 5757, 6327, 7272, 7474, 7676, 8436, 9696, 10656, 11211, 11248, 11514, 12654, 14544, 14948, 15352, 16872, 17271, 22422, 22496, 23028, 25308, 29088, 29896, 30704, 33633, 33744, 34542, 44844, 46056, 50616, 59792, 61408, 67266, 67488, 69084, 71003, 89688, 92112, 101232, 119584, 134532, 138168, 142006, 179376, 184224, 202464, 213009, 269064, 276336, 284012, 358752, 426018, 538128, 552672, 568024, 639027, 852036, 1076256, 1136048, 1278054, 1704072, 2272096, 2556108, 3408144, 5112216, 6816288, 10224432, 20448864]

約数ペア:

[(1, 20448864), (2, 10224432), (3, 6816288), (4, 5112216), (6, 3408144), (8, 2556108), (9, 2272096), (12, 1704072), (16, 1278054), (18, 1136048), (19, 1076256), (24, 852036), (32, 639027), (36, 568024), (37, 552672), (38, 538128), (48, 426018), (57, 358752), (72, 284012), (74, 276336), (76, 269064), (96, 213009), (101, 202464), (111, 184224), (114, 179376), (144, 142006), (148, 138168), (152, 134532), (171, 119584), (202, 101232), (222, 92112), (228, 89688), (288, 71003), (296, 69084), (303, 67488), (304, 67266), (333, 61408), (342, 59792), (404, 50616), (444, 46056), (456, 44844), (592, 34542), (606, 33744), (608, 33633), (666, 30704), (684, 29896), (703, 29088), (808, 25308), (888, 23028), (909, 22496), (912, 22422), (1184, 17271), (1212, 16872), (1332, 15352), (1368, 14948), (1406, 14544), (1616, 12654), (1776, 11514), (1818, 11248), (1824, 11211), (1919, 10656), (2109, 9696), (2424, 8436), (2664, 7676), (2736, 7474), (2812, 7272), (3232, 6327), (3552, 5757), (3636, 5624), (3737, 5472), (3838, 5328), (4218, 4848)]