19777570020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8451953}}^1$

素因数の和:8451981

約数の個数: 72

約数和(自身を含む): 64606736376

約数和(自身を除く): 44829166356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8451953, 16903906, 25355859, 33807812, 42259765, 50711718, 76067577, 84519530, 101423436, 109875389, 126779295, 152135154, 169039060, 219750778, 253558590, 304270308, 329626167, 380337885, 439501556, 507117180, 549376945, 659252334, 760675770, 988878501, 1098753890, 1318504668, 1521351540, 1648130835, 1977757002, 2197507780, 3296261670, 3955514004, 4944392505, 6592523340, 9888785010, 19777570020]

約数ペア:

[(1, 19777570020), (2, 9888785010), (3, 6592523340), (4, 4944392505), (5, 3955514004), (6, 3296261670), (9, 2197507780), (10, 1977757002), (12, 1648130835), (13, 1521351540), (15, 1318504668), (18, 1098753890), (20, 988878501), (26, 760675770), (30, 659252334), (36, 549376945), (39, 507117180), (45, 439501556), (52, 380337885), (60, 329626167), (65, 304270308), (78, 253558590), (90, 219750778), (117, 169039060), (130, 152135154), (156, 126779295), (180, 109875389), (195, 101423436), (234, 84519530), (260, 76067577), (390, 50711718), (468, 42259765), (585, 33807812), (780, 25355859), (1170, 16903906), (2340, 8451953)]