20073960675

素因数分解:

$3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:955

約数の個数: 120

約数和(自身を含む): 38063947680

約数和(自身を除く): 17989987005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 135, 159, 225, 265, 359, 405, 477, 521, 675, 795, 1077, 1325, 1431, 1563, 1795, 2025, 2385, 2605, 3231, 3975, 4293, 4689, 5385, 7155, 7815, 8975, 9693, 11925, 13025, 14067, 16155, 19027, 21465, 23445, 26925, 27613, 29079, 35775, 39075, 42201, 48465, 57081, 70335, 80775, 82839, 95135, 107325, 117225, 138065, 145395, 171243, 187039, 211005, 242325, 248517, 285405, 351675, 414195, 475675, 513729, 561117, 690325, 726975, 745551, 856215, 935195, 1055025, 1242585, 1427025, 1541187, 1683351, 2070975, 2236653, 2568645, 2805585, 3727755, 4281075, 4675975, 5050053, 6212925, 7705935, 8416755, 9913067, 11183265, 12843225, 14027925, 15150159, 18638775, 25250265, 29739201, 38529675, 42083775, 49565335, 55916325, 75750795, 89217603, 126251325, 148696005, 247826675, 267652809, 378753975, 446088015, 743480025, 802958427, 1338264045, 2230440075, 4014792135, 6691320225, 20073960675]

約数ペア:

[(1, 20073960675), (3, 6691320225), (5, 4014792135), (9, 2230440075), (15, 1338264045), (25, 802958427), (27, 743480025), (45, 446088015), (53, 378753975), (75, 267652809), (81, 247826675), (135, 148696005), (159, 126251325), (225, 89217603), (265, 75750795), (359, 55916325), (405, 49565335), (477, 42083775), (521, 38529675), (675, 29739201), (795, 25250265), (1077, 18638775), (1325, 15150159), (1431, 14027925), (1563, 12843225), (1795, 11183265), (2025, 9913067), (2385, 8416755), (2605, 7705935), (3231, 6212925), (3975, 5050053), (4293, 4675975), (4689, 4281075), (5385, 3727755), (7155, 2805585), (7815, 2568645), (8975, 2236653), (9693, 2070975), (11925, 1683351), (13025, 1541187), (14067, 1427025), (16155, 1242585), (19027, 1055025), (21465, 935195), (23445, 856215), (26925, 745551), (27613, 726975), (29079, 690325), (35775, 561117), (39075, 513729), (42201, 475675), (48465, 414195), (57081, 351675), (70335, 285405), (80775, 248517), (82839, 242325), (95135, 211005), (107325, 187039), (117225, 171243), (138065, 145395)]