20081448120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1\times {\mathrm{4391}}^1$

素因数の和:6085

約数の個数: 128

約数和(自身を含む): 62915927040

約数和(自身を除く): 42834478920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 1657, 2760, 3314, 4391, 4971, 6628, 8285, 8782, 9942, 13173, 13256, 16570, 17564, 19884, 21955, 24855, 26346, 33140, 35128, 38111, 39768, 43910, 49710, 52692, 65865, 66280, 76222, 87820, 99420, 100993, 105384, 114333, 131730, 152444, 175640, 190555, 198840, 201986, 228666, 263460, 302979, 304888, 381110, 403972, 457332, 504965, 526920, 571665, 605958, 762220, 807944, 914664, 1009930, 1143330, 1211916, 1514895, 1524440, 2019860, 2286660, 2423832, 3029790, 4039720, 4573320, 6059580, 7275887, 12119160, 14551774, 21827661, 29103548, 36379435, 43655322, 58207096, 72758870, 87310644, 109138305, 145517740, 167345401, 174621288, 218276610, 291035480, 334690802, 436553220, 502036203, 669381604, 836727005, 873106440, 1004072406, 1338763208, 1673454010, 2008144812, 2510181015, 3346908020, 4016289624, 5020362030, 6693816040, 10040724060, 20081448120]

約数ペア:

[(1, 20081448120), (2, 10040724060), (3, 6693816040), (4, 5020362030), (5, 4016289624), (6, 3346908020), (8, 2510181015), (10, 2008144812), (12, 1673454010), (15, 1338763208), (20, 1004072406), (23, 873106440), (24, 836727005), (30, 669381604), (40, 502036203), (46, 436553220), (60, 334690802), (69, 291035480), (92, 218276610), (115, 174621288), (120, 167345401), (138, 145517740), (184, 109138305), (230, 87310644), (276, 72758870), (345, 58207096), (460, 43655322), (552, 36379435), (690, 29103548), (920, 21827661), (1380, 14551774), (1657, 12119160), (2760, 7275887), (3314, 6059580), (4391, 4573320), (4971, 4039720), (6628, 3029790), (8285, 2423832), (8782, 2286660), (9942, 2019860), (13173, 1524440), (13256, 1514895), (16570, 1211916), (17564, 1143330), (19884, 1009930), (21955, 914664), (24855, 807944), (26346, 762220), (33140, 605958), (35128, 571665), (38111, 526920), (39768, 504965), (43910, 457332), (49710, 403972), (52692, 381110), (65865, 304888), (66280, 302979), (76222, 263460), (87820, 228666), (99420, 201986), (100993, 198840), (105384, 190555), (114333, 175640), (131730, 152444)]