20123002380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1\times {\mathrm{2447}}^1$

素因数の和:3296

約数の個数: 144

約数和(自身を含む): 61112185344

約数和(自身を除く): 40989182964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 811, 845, 1014, 1622, 1690, 2028, 2433, 2447, 2535, 3244, 3380, 4055, 4866, 4894, 5070, 7341, 8110, 9732, 9788, 10140, 10543, 12165, 12235, 14682, 16220, 21086, 24330, 24470, 29364, 31629, 31811, 36705, 42172, 48660, 48940, 52715, 63258, 63622, 73410, 95433, 105430, 126516, 127244, 137059, 146820, 158145, 159055, 190866, 210860, 274118, 316290, 318110, 381732, 411177, 413543, 477165, 548236, 632580, 636220, 685295, 822354, 827086, 954330, 1240629, 1370590, 1644708, 1654172, 1908660, 1984517, 2055885, 2067715, 2481258, 2741180, 3969034, 4111770, 4135430, 4962516, 5953551, 6203145, 7938068, 8223540, 8270860, 9922585, 11907102, 12406290, 19845170, 23814204, 24812580, 25798721, 29767755, 39690340, 51597442, 59535510, 77396163, 103194884, 119071020, 128993605, 154792326, 257987210, 309584652, 335383373, 386980815, 515974420, 670766746, 773961630, 1006150119, 1341533492, 1547923260, 1676916865, 2012300238, 3353833730, 4024600476, 5030750595, 6707667460, 10061501190, 20123002380]

約数ペア:

[(1, 20123002380), (2, 10061501190), (3, 6707667460), (4, 5030750595), (5, 4024600476), (6, 3353833730), (10, 2012300238), (12, 1676916865), (13, 1547923260), (15, 1341533492), (20, 1006150119), (26, 773961630), (30, 670766746), (39, 515974420), (52, 386980815), (60, 335383373), (65, 309584652), (78, 257987210), (130, 154792326), (156, 128993605), (169, 119071020), (195, 103194884), (260, 77396163), (338, 59535510), (390, 51597442), (507, 39690340), (676, 29767755), (780, 25798721), (811, 24812580), (845, 23814204), (1014, 19845170), (1622, 12406290), (1690, 11907102), (2028, 9922585), (2433, 8270860), (2447, 8223540), (2535, 7938068), (3244, 6203145), (3380, 5953551), (4055, 4962516), (4866, 4135430), (4894, 4111770), (5070, 3969034), (7341, 2741180), (8110, 2481258), (9732, 2067715), (9788, 2055885), (10140, 1984517), (10543, 1908660), (12165, 1654172), (12235, 1644708), (14682, 1370590), (16220, 1240629), (21086, 954330), (24330, 827086), (24470, 822354), (29364, 685295), (31629, 636220), (31811, 632580), (36705, 548236), (42172, 477165), (48660, 413543), (48940, 411177), (52715, 381732), (63258, 318110), (63622, 316290), (73410, 274118), (95433, 210860), (105430, 190866), (126516, 159055), (127244, 158145), (137059, 146820)]