20124807560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3518323}}^1$

素因数の和:3518358

約数の個数: 64

約数和(自身を含む): 53197058880

約数和(自身を除く): 33072251320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 3518323, 7036646, 14073292, 17591615, 28146584, 35183230, 38701553, 45738199, 70366460, 77403106, 91476398, 140732920, 154806212, 182952796, 193507765, 228690995, 309612424, 365905592, 387015530, 457381990, 503120189, 774031060, 914763980, 1006240378, 1548062120, 1829527960, 2012480756, 2515600945, 4024961512, 5031201890, 10062403780, 20124807560]

約数ペア:

[(1, 20124807560), (2, 10062403780), (4, 5031201890), (5, 4024961512), (8, 2515600945), (10, 2012480756), (11, 1829527960), (13, 1548062120), (20, 1006240378), (22, 914763980), (26, 774031060), (40, 503120189), (44, 457381990), (52, 387015530), (55, 365905592), (65, 309612424), (88, 228690995), (104, 193507765), (110, 182952796), (130, 154806212), (143, 140732920), (220, 91476398), (260, 77403106), (286, 70366460), (440, 45738199), (520, 38701553), (572, 35183230), (715, 28146584), (1144, 17591615), (1430, 14073292), (2860, 7036646), (5720, 3518323)]