20736092272

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{81239}}^1$

素因数の和:81350

約数の個数: 80

約数和(自身を含む): 47870507520

約数和(自身を除く): 27134415248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 53, 56, 86, 106, 112, 172, 212, 301, 344, 371, 424, 602, 688, 742, 848, 1204, 1484, 2279, 2408, 2968, 4558, 4816, 5936, 9116, 15953, 18232, 31906, 36464, 63812, 81239, 127624, 162478, 255248, 324956, 568673, 649912, 1137346, 1299824, 2274692, 3493277, 4305667, 4549384, 6986554, 8611334, 9098768, 13973108, 17222668, 24452939, 27946216, 30139669, 34445336, 48905878, 55892432, 60279338, 68890672, 97811756, 120558676, 185143681, 195623512, 241117352, 370287362, 391247024, 482234704, 740574724, 1296005767, 1481149448, 2592011534, 2962298896, 5184023068, 10368046136, 20736092272]

約数ペア:

[(1, 20736092272), (2, 10368046136), (4, 5184023068), (7, 2962298896), (8, 2592011534), (14, 1481149448), (16, 1296005767), (28, 740574724), (43, 482234704), (53, 391247024), (56, 370287362), (86, 241117352), (106, 195623512), (112, 185143681), (172, 120558676), (212, 97811756), (301, 68890672), (344, 60279338), (371, 55892432), (424, 48905878), (602, 34445336), (688, 30139669), (742, 27946216), (848, 24452939), (1204, 17222668), (1484, 13973108), (2279, 9098768), (2408, 8611334), (2968, 6986554), (4558, 4549384), (4816, 4305667), (5936, 3493277), (9116, 2274692), (15953, 1299824), (18232, 1137346), (31906, 649912), (36464, 568673), (63812, 324956), (81239, 255248), (127624, 162478)]