20042093968

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5519}}^1$

素因数の和:5649

約数の個数: 120

約数和(自身を含む): 45093542400

約数和(自身を除く): 25051448432

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 169, 208, 221, 272, 316, 338, 442, 632, 676, 884, 1027, 1264, 1343, 1352, 1768, 2054, 2686, 2704, 2873, 3536, 4108, 5372, 5519, 5746, 8216, 10744, 11038, 11492, 13351, 16432, 17459, 21488, 22076, 22984, 26702, 34918, 44152, 45968, 53404, 69836, 71747, 88304, 93823, 106808, 139672, 143494, 187646, 213616, 226967, 279344, 286988, 375292, 436001, 453934, 573976, 750584, 872002, 907868, 932711, 1147952, 1219699, 1501168, 1744004, 1815736, 1865422, 2439398, 3488008, 3631472, 3730844, 4878796, 5668013, 6976016, 7412017, 7461688, 9757592, 11336026, 14824034, 14923376, 15856087, 19515184, 22672052, 29648068, 31712174, 45344104, 59296136, 63424348, 73684169, 90688208, 96356221, 118592272, 126848696, 147368338, 192712442, 253697392, 294736676, 385424884, 589473352, 770849768, 1178946704, 1252630873, 1541699536, 2505261746, 5010523492, 10021046984, 20042093968]

約数ペア:

[(1, 20042093968), (2, 10021046984), (4, 5010523492), (8, 2505261746), (13, 1541699536), (16, 1252630873), (17, 1178946704), (26, 770849768), (34, 589473352), (52, 385424884), (68, 294736676), (79, 253697392), (104, 192712442), (136, 147368338), (158, 126848696), (169, 118592272), (208, 96356221), (221, 90688208), (272, 73684169), (316, 63424348), (338, 59296136), (442, 45344104), (632, 31712174), (676, 29648068), (884, 22672052), (1027, 19515184), (1264, 15856087), (1343, 14923376), (1352, 14824034), (1768, 11336026), (2054, 9757592), (2686, 7461688), (2704, 7412017), (2873, 6976016), (3536, 5668013), (4108, 4878796), (5372, 3730844), (5519, 3631472), (5746, 3488008), (8216, 2439398), (10744, 1865422), (11038, 1815736), (11492, 1744004), (13351, 1501168), (16432, 1219699), (17459, 1147952), (21488, 932711), (22076, 907868), (22984, 872002), (26702, 750584), (34918, 573976), (44152, 453934), (45968, 436001), (53404, 375292), (69836, 286988), (71747, 279344), (88304, 226967), (93823, 213616), (106808, 187646), (139672, 143494)]