20973150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 44022690

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 25, 30, 33, 38, 45, 50, 55, 57, 66, 75, 90, 95, 99, 110, 114, 150, 165, 171, 190, 198, 209, 223, 225, 275, 285, 330, 342, 418, 446, 450, 475, 495, 550, 570, 627, 669, 825, 855, 950, 990, 1045, 1115, 1254, 1338, 1425, 1650, 1710, 1881, 2007, 2090, 2230, 2453, 2475, 2850, 3135, 3345, 3762, 4014, 4237, 4275, 4906, 4950, 5225, 5575, 6270, 6690, 7359, 8474, 8550, 9405, 10035, 10450, 11150, 12265, 12711, 14718, 15675, 16725, 18810, 20070, 21185, 22077, 24530, 25422, 31350, 33450, 36795, 38133, 42370, 44154, 46607, 47025, 50175, 61325, 63555, 73590, 76266, 93214, 94050, 100350, 105925, 110385, 122650, 127110, 139821, 183975, 190665, 211850, 220770, 233035, 279642, 317775, 367950, 381330, 419463, 466070, 551925, 635550, 699105, 838926, 953325, 1103850, 1165175, 1398210, 1906650, 2097315, 2330350, 3495525, 4194630, 6991050, 10486575, 20973150]

約数ペア:

[(1, 20973150), (2, 10486575), (3, 6991050), (5, 4194630), (6, 3495525), (9, 2330350), (10, 2097315), (11, 1906650), (15, 1398210), (18, 1165175), (19, 1103850), (22, 953325), (25, 838926), (30, 699105), (33, 635550), (38, 551925), (45, 466070), (50, 419463), (55, 381330), (57, 367950), (66, 317775), (75, 279642), (90, 233035), (95, 220770), (99, 211850), (110, 190665), (114, 183975), (150, 139821), (165, 127110), (171, 122650), (190, 110385), (198, 105925), (209, 100350), (223, 94050), (225, 93214), (275, 76266), (285, 73590), (330, 63555), (342, 61325), (418, 50175), (446, 47025), (450, 46607), (475, 44154), (495, 42370), (550, 38133), (570, 36795), (627, 33450), (669, 31350), (825, 25422), (855, 24530), (950, 22077), (990, 21185), (1045, 20070), (1115, 18810), (1254, 16725), (1338, 15675), (1425, 14718), (1650, 12711), (1710, 12265), (1881, 11150), (2007, 10450), (2090, 10035), (2230, 9405), (2453, 8550), (2475, 8474), (2850, 7359), (3135, 6690), (3345, 6270), (3762, 5575), (4014, 5225), (4237, 4950), (4275, 4906)]