20772450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 120

約数和(自身を含む): 60496128

約数和(自身を除く): 39723678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 81, 90, 115, 135, 138, 150, 162, 207, 223, 225, 230, 270, 345, 405, 414, 446, 450, 575, 621, 669, 675, 690, 810, 1035, 1115, 1150, 1242, 1338, 1350, 1725, 1863, 2007, 2025, 2070, 2230, 3105, 3345, 3450, 3726, 4014, 4050, 5129, 5175, 5575, 6021, 6210, 6690, 9315, 10035, 10258, 10350, 11150, 12042, 15387, 15525, 16725, 18063, 18630, 20070, 25645, 30105, 30774, 31050, 33450, 36126, 46161, 46575, 50175, 51290, 60210, 76935, 90315, 92322, 93150, 100350, 128225, 138483, 150525, 153870, 180630, 230805, 256450, 276966, 301050, 384675, 415449, 451575, 461610, 692415, 769350, 830898, 903150, 1154025, 1384830, 2077245, 2308050, 3462075, 4154490, 6924150, 10386225, 20772450]

約数ペア:

[(1, 20772450), (2, 10386225), (3, 6924150), (5, 4154490), (6, 3462075), (9, 2308050), (10, 2077245), (15, 1384830), (18, 1154025), (23, 903150), (25, 830898), (27, 769350), (30, 692415), (45, 461610), (46, 451575), (50, 415449), (54, 384675), (69, 301050), (75, 276966), (81, 256450), (90, 230805), (115, 180630), (135, 153870), (138, 150525), (150, 138483), (162, 128225), (207, 100350), (223, 93150), (225, 92322), (230, 90315), (270, 76935), (345, 60210), (405, 51290), (414, 50175), (446, 46575), (450, 46161), (575, 36126), (621, 33450), (669, 31050), (675, 30774), (690, 30105), (810, 25645), (1035, 20070), (1115, 18630), (1150, 18063), (1242, 16725), (1338, 15525), (1350, 15387), (1725, 12042), (1863, 11150), (2007, 10350), (2025, 10258), (2070, 10035), (2230, 9315), (3105, 6690), (3345, 6210), (3450, 6021), (3726, 5575), (4014, 5175), (4050, 5129)]