20349734825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2081}}^1$

素因数の和:2307

約数の個数: 96

約数和(自身を含む): 32343287040

約数和(自身を除く): 11993552215

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 173, 175, 323, 425, 475, 595, 665, 865, 1211, 1615, 2081, 2261, 2941, 2975, 3287, 3325, 4325, 6055, 8075, 10405, 11305, 14567, 14705, 16435, 20587, 23009, 30275, 35377, 39539, 52025, 55879, 56525, 72835, 73525, 82175, 102935, 115045, 176885, 197695, 247639, 276773, 279395, 360013, 364175, 391153, 514675, 575225, 672163, 884425, 988475, 1238195, 1383865, 1396975, 1800065, 1955765, 2520091, 3360815, 4705141, 6120221, 6190975, 6840247, 6919325, 9000325, 9778825, 12600455, 16804075, 23525705, 30601105, 34201235, 42841547, 47881729, 63002275, 116284199, 117628525, 153005525, 171006175, 214207735, 239408645, 581420995, 813989393, 1071038675, 1197043225, 2907104975, 4069946965, 20349734825]

約数ペア:

[(1, 20349734825), (5, 4069946965), (7, 2907104975), (17, 1197043225), (19, 1071038675), (25, 813989393), (35, 581420995), (85, 239408645), (95, 214207735), (119, 171006175), (133, 153005525), (173, 117628525), (175, 116284199), (323, 63002275), (425, 47881729), (475, 42841547), (595, 34201235), (665, 30601105), (865, 23525705), (1211, 16804075), (1615, 12600455), (2081, 9778825), (2261, 9000325), (2941, 6919325), (2975, 6840247), (3287, 6190975), (3325, 6120221), (4325, 4705141), (6055, 3360815), (8075, 2520091), (10405, 1955765), (11305, 1800065), (14567, 1396975), (14705, 1383865), (16435, 1238195), (20587, 988475), (23009, 884425), (30275, 672163), (35377, 575225), (39539, 514675), (52025, 391153), (55879, 364175), (56525, 360013), (72835, 279395), (73525, 276773), (82175, 247639), (102935, 197695), (115045, 176885)]