20304527373

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 33020507520

約数和(自身を除く): 12715980147

約数列:

[1, 3, 9, 13, 39, 43, 89, 117, 129, 137, 267, 331, 387, 411, 559, 801, 993, 1157, 1233, 1677, 1781, 2979, 3471, 3827, 4303, 5031, 5343, 5891, 10413, 11481, 12193, 12909, 14233, 16029, 17673, 29459, 34443, 36579, 38727, 42699, 45347, 49751, 53019, 76583, 88377, 109737, 128097, 136041, 149253, 158509, 185029, 229749, 265131, 382967, 408123, 447759, 475527, 524299, 555087, 589511, 689247, 1148901, 1266737, 1426581, 1572897, 1665261, 1768533, 1949921, 3446703, 3800211, 4035883, 4718691, 5305599, 5849763, 6815887, 11400633, 12107649, 16467581, 17549289, 20447661, 25348973, 36322947, 49402743, 52466479, 61342983, 76046919, 148208229, 157399437, 173542969, 228140757, 472198311, 520628907, 1561886721, 2256058597, 6768175791, 20304527373]

約数ペア:

[(1, 20304527373), (3, 6768175791), (9, 2256058597), (13, 1561886721), (39, 520628907), (43, 472198311), (89, 228140757), (117, 173542969), (129, 157399437), (137, 148208229), (267, 76046919), (331, 61342983), (387, 52466479), (411, 49402743), (559, 36322947), (801, 25348973), (993, 20447661), (1157, 17549289), (1233, 16467581), (1677, 12107649), (1781, 11400633), (2979, 6815887), (3471, 5849763), (3827, 5305599), (4303, 4718691), (5031, 4035883), (5343, 3800211), (5891, 3446703), (10413, 1949921), (11481, 1768533), (12193, 1665261), (12909, 1572897), (14233, 1426581), (16029, 1266737), (17673, 1148901), (29459, 689247), (34443, 589511), (36579, 555087), (38727, 524299), (42699, 475527), (45347, 447759), (49751, 408123), (53019, 382967), (76583, 265131), (88377, 229749), (109737, 185029), (128097, 158509), (136041, 149253)]