20592780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1595

約数の個数: 96

約数和(自身を含む): 65790144

約数和(自身を除く): 45197364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1553, 2210, 2652, 3106, 3315, 4420, 4659, 6212, 6630, 7765, 9318, 13260, 15530, 18636, 20189, 23295, 26401, 31060, 40378, 46590, 52802, 60567, 79203, 80756, 93180, 100945, 105604, 121134, 132005, 158406, 201890, 242268, 264010, 302835, 316812, 343213, 396015, 403780, 528020, 605670, 686426, 792030, 1029639, 1211340, 1372852, 1584060, 1716065, 2059278, 3432130, 4118556, 5148195, 6864260, 10296390, 20592780]

約数ペア:

[(1, 20592780), (2, 10296390), (3, 6864260), (4, 5148195), (5, 4118556), (6, 3432130), (10, 2059278), (12, 1716065), (13, 1584060), (15, 1372852), (17, 1211340), (20, 1029639), (26, 792030), (30, 686426), (34, 605670), (39, 528020), (51, 403780), (52, 396015), (60, 343213), (65, 316812), (68, 302835), (78, 264010), (85, 242268), (102, 201890), (130, 158406), (156, 132005), (170, 121134), (195, 105604), (204, 100945), (221, 93180), (255, 80756), (260, 79203), (340, 60567), (390, 52802), (442, 46590), (510, 40378), (663, 31060), (780, 26401), (884, 23295), (1020, 20189), (1105, 18636), (1326, 15530), (1553, 13260), (2210, 9318), (2652, 7765), (3106, 6630), (3315, 6212), (4420, 4659)]