20057040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 68332680

約数和(自身を除く): 48275640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 313, 356, 360, 445, 534, 626, 712, 720, 801, 890, 939, 1068, 1252, 1335, 1424, 1565, 1602, 1780, 1878, 2136, 2504, 2670, 2817, 3130, 3204, 3560, 3756, 4005, 4272, 4695, 5008, 5340, 5634, 6260, 6408, 7120, 7512, 8010, 9390, 10680, 11268, 12520, 12816, 14085, 15024, 16020, 18780, 21360, 22536, 25040, 27857, 28170, 32040, 37560, 45072, 55714, 56340, 64080, 75120, 83571, 111428, 112680, 139285, 167142, 222856, 225360, 250713, 278570, 334284, 417855, 445712, 501426, 557140, 668568, 835710, 1002852, 1114280, 1253565, 1337136, 1671420, 2005704, 2228560, 2507130, 3342840, 4011408, 5014260, 6685680, 10028520, 20057040]

約数ペア:

[(1, 20057040), (2, 10028520), (3, 6685680), (4, 5014260), (5, 4011408), (6, 3342840), (8, 2507130), (9, 2228560), (10, 2005704), (12, 1671420), (15, 1337136), (16, 1253565), (18, 1114280), (20, 1002852), (24, 835710), (30, 668568), (36, 557140), (40, 501426), (45, 445712), (48, 417855), (60, 334284), (72, 278570), (80, 250713), (89, 225360), (90, 222856), (120, 167142), (144, 139285), (178, 112680), (180, 111428), (240, 83571), (267, 75120), (313, 64080), (356, 56340), (360, 55714), (445, 45072), (534, 37560), (626, 32040), (712, 28170), (720, 27857), (801, 25040), (890, 22536), (939, 21360), (1068, 18780), (1252, 16020), (1335, 15024), (1424, 14085), (1565, 12816), (1602, 12520), (1780, 11268), (1878, 10680), (2136, 9390), (2504, 8010), (2670, 7512), (2817, 7120), (3130, 6408), (3204, 6260), (3560, 5634), (3756, 5340), (4005, 5008), (4272, 4695)]