20306520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4369

約数の個数: 96

約数和(自身を含む): 71089200

約数和(自身を除く): 50782680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4339, 4680, 8678, 13017, 17356, 21695, 26034, 34712, 39051, 43390, 52068, 56407, 65085, 78102, 86780, 104136, 112814, 130170, 156204, 169221, 173560, 195255, 225628, 260340, 282035, 312408, 338442, 390510, 451256, 507663, 520680, 564070, 676884, 781020, 846105, 1015326, 1128140, 1353768, 1562040, 1692210, 2030652, 2256280, 2538315, 3384420, 4061304, 5076630, 6768840, 10153260, 20306520]

約数ペア:

[(1, 20306520), (2, 10153260), (3, 6768840), (4, 5076630), (5, 4061304), (6, 3384420), (8, 2538315), (9, 2256280), (10, 2030652), (12, 1692210), (13, 1562040), (15, 1353768), (18, 1128140), (20, 1015326), (24, 846105), (26, 781020), (30, 676884), (36, 564070), (39, 520680), (40, 507663), (45, 451256), (52, 390510), (60, 338442), (65, 312408), (72, 282035), (78, 260340), (90, 225628), (104, 195255), (117, 173560), (120, 169221), (130, 156204), (156, 130170), (180, 112814), (195, 104136), (234, 86780), (260, 78102), (312, 65085), (360, 56407), (390, 52068), (468, 43390), (520, 39051), (585, 34712), (780, 26034), (936, 21695), (1170, 17356), (1560, 13017), (2340, 8678), (4339, 4680)]