20776210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 49512960

約数和(自身を除く): 28736750

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 79, 85, 91, 119, 130, 158, 170, 182, 221, 238, 289, 395, 442, 455, 553, 578, 595, 790, 910, 1027, 1105, 1106, 1190, 1343, 1445, 1547, 2023, 2054, 2210, 2686, 2765, 2890, 3094, 3757, 4046, 5135, 5530, 6715, 7189, 7514, 7735, 9401, 10115, 10270, 13430, 14378, 15470, 17459, 18785, 18802, 20230, 22831, 26299, 34918, 35945, 37570, 45662, 47005, 52598, 71890, 87295, 94010, 114155, 122213, 131495, 159817, 174590, 228310, 244426, 262990, 296803, 319634, 593606, 611065, 799085, 1222130, 1484015, 1598170, 2077621, 2968030, 4155242, 10388105, 20776210]

約数ペア:

[(1, 20776210), (2, 10388105), (5, 4155242), (7, 2968030), (10, 2077621), (13, 1598170), (14, 1484015), (17, 1222130), (26, 799085), (34, 611065), (35, 593606), (65, 319634), (70, 296803), (79, 262990), (85, 244426), (91, 228310), (119, 174590), (130, 159817), (158, 131495), (170, 122213), (182, 114155), (221, 94010), (238, 87295), (289, 71890), (395, 52598), (442, 47005), (455, 45662), (553, 37570), (578, 35945), (595, 34918), (790, 26299), (910, 22831), (1027, 20230), (1105, 18802), (1106, 18785), (1190, 17459), (1343, 15470), (1445, 14378), (1547, 13430), (2023, 10270), (2054, 10115), (2210, 9401), (2686, 7735), (2765, 7514), (2890, 7189), (3094, 6715), (3757, 5530), (4046, 5135)]