20122010800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{6143}}^1$

素因数の和:6611

約数の個数: 120

約数和(自身を含む): 51013877760

約数和(自身を除く): 30891866960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 431, 475, 760, 862, 950, 1520, 1724, 1900, 2155, 3448, 3800, 4310, 6143, 6896, 7600, 8189, 8620, 10775, 12286, 16378, 17240, 21550, 24572, 30715, 32756, 34480, 40945, 43100, 49144, 61430, 65512, 81890, 86200, 98288, 116717, 122860, 131024, 153575, 163780, 172400, 204725, 233434, 245720, 307150, 327560, 409450, 466868, 491440, 583585, 614300, 655120, 818900, 933736, 1167170, 1228600, 1637800, 1867472, 2334340, 2457200, 2647633, 2917925, 3275600, 4668680, 5295266, 5835850, 9337360, 10590532, 11671700, 13238165, 21181064, 23343400, 26476330, 42362128, 46686800, 50305027, 52952660, 66190825, 100610054, 105905320, 132381650, 201220108, 211810640, 251525135, 264763300, 402440216, 503050270, 529526600, 804880432, 1006100540, 1059053200, 1257625675, 2012201080, 2515251350, 4024402160, 5030502700, 10061005400, 20122010800]

約数ペア:

[(1, 20122010800), (2, 10061005400), (4, 5030502700), (5, 4024402160), (8, 2515251350), (10, 2012201080), (16, 1257625675), (19, 1059053200), (20, 1006100540), (25, 804880432), (38, 529526600), (40, 503050270), (50, 402440216), (76, 264763300), (80, 251525135), (95, 211810640), (100, 201220108), (152, 132381650), (190, 105905320), (200, 100610054), (304, 66190825), (380, 52952660), (400, 50305027), (431, 46686800), (475, 42362128), (760, 26476330), (862, 23343400), (950, 21181064), (1520, 13238165), (1724, 11671700), (1900, 10590532), (2155, 9337360), (3448, 5835850), (3800, 5295266), (4310, 4668680), (6143, 3275600), (6896, 2917925), (7600, 2647633), (8189, 2457200), (8620, 2334340), (10775, 1867472), (12286, 1637800), (16378, 1228600), (17240, 1167170), (21550, 933736), (24572, 818900), (30715, 655120), (32756, 614300), (34480, 583585), (40945, 491440), (43100, 466868), (49144, 409450), (61430, 327560), (65512, 307150), (81890, 245720), (86200, 233434), (98288, 204725), (116717, 172400), (122860, 163780), (131024, 153575)]