20730488900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{4871}}^1$

素因数の和:5022

約数の個数: 144

約数和(自身を含む): 50696005248

約数和(自身を除く): 29965516348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 73, 100, 106, 110, 146, 212, 220, 265, 275, 292, 365, 530, 550, 583, 730, 803, 1060, 1100, 1166, 1325, 1460, 1606, 1825, 2332, 2650, 2915, 3212, 3650, 3869, 4015, 4871, 5300, 5830, 7300, 7738, 8030, 9742, 11660, 14575, 15476, 16060, 19345, 19484, 20075, 24355, 29150, 38690, 40150, 42559, 48710, 53581, 58300, 77380, 80300, 85118, 96725, 97420, 107162, 121775, 170236, 193450, 212795, 214324, 243550, 258163, 267905, 355583, 386900, 425590, 487100, 516326, 535810, 711166, 851180, 1032652, 1063975, 1071620, 1290815, 1339525, 1422332, 1777915, 2127950, 2581630, 2679050, 2839793, 3555830, 3911413, 4255900, 5163260, 5358100, 5679586, 6454075, 7111660, 7822826, 8889575, 11359172, 12908150, 14198965, 15645652, 17779150, 18845899, 19557065, 25816300, 28397930, 35558300, 37691798, 39114130, 56795860, 70994825, 75383596, 78228260, 94229495, 97785325, 141989650, 188458990, 195570650, 207304889, 283979300, 376917980, 391141300, 414609778, 471147475, 829219556, 942294950, 1036524445, 1884589900, 2073048890, 4146097780, 5182622225, 10365244450, 20730488900]

約数ペア:

[(1, 20730488900), (2, 10365244450), (4, 5182622225), (5, 4146097780), (10, 2073048890), (11, 1884589900), (20, 1036524445), (22, 942294950), (25, 829219556), (44, 471147475), (50, 414609778), (53, 391141300), (55, 376917980), (73, 283979300), (100, 207304889), (106, 195570650), (110, 188458990), (146, 141989650), (212, 97785325), (220, 94229495), (265, 78228260), (275, 75383596), (292, 70994825), (365, 56795860), (530, 39114130), (550, 37691798), (583, 35558300), (730, 28397930), (803, 25816300), (1060, 19557065), (1100, 18845899), (1166, 17779150), (1325, 15645652), (1460, 14198965), (1606, 12908150), (1825, 11359172), (2332, 8889575), (2650, 7822826), (2915, 7111660), (3212, 6454075), (3650, 5679586), (3869, 5358100), (4015, 5163260), (4871, 4255900), (5300, 3911413), (5830, 3555830), (7300, 2839793), (7738, 2679050), (8030, 2581630), (9742, 2127950), (11660, 1777915), (14575, 1422332), (15476, 1339525), (16060, 1290815), (19345, 1071620), (19484, 1063975), (20075, 1032652), (24355, 851180), (29150, 711166), (38690, 535810), (40150, 516326), (42559, 487100), (48710, 425590), (53581, 386900), (58300, 355583), (77380, 267905), (80300, 258163), (85118, 243550), (96725, 214324), (97420, 212795), (107162, 193450), (121775, 170236)]