20219728532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^2\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 38342985408

約数和(自身を除く): 18123256876

約数列:

[1, 2, 4, 17, 34, 68, 101, 103, 202, 206, 283, 404, 412, 566, 1132, 1717, 1751, 3434, 3502, 4811, 6868, 7004, 9622, 10201, 10403, 19244, 20402, 20806, 28583, 29149, 40804, 41612, 57166, 58298, 114332, 116596, 173417, 176851, 346834, 353702, 485911, 495533, 693668, 707404, 971822, 991066, 1050703, 1943644, 1982132, 2101406, 2886883, 2944049, 4202812, 5773766, 5888098, 11547532, 11776196, 17861951, 35723902, 49077011, 50048833, 71447804, 98154022, 100097666, 196308044, 200195332, 297348949, 594697898, 1189395796, 5054932133, 10109864266, 20219728532]

約数ペア:

[(1, 20219728532), (2, 10109864266), (4, 5054932133), (17, 1189395796), (34, 594697898), (68, 297348949), (101, 200195332), (103, 196308044), (202, 100097666), (206, 98154022), (283, 71447804), (404, 50048833), (412, 49077011), (566, 35723902), (1132, 17861951), (1717, 11776196), (1751, 11547532), (3434, 5888098), (3502, 5773766), (4811, 4202812), (6868, 2944049), (7004, 2886883), (9622, 2101406), (10201, 1982132), (10403, 1943644), (19244, 1050703), (20402, 991066), (20806, 971822), (28583, 707404), (29149, 693668), (40804, 495533), (41612, 485911), (57166, 353702), (58298, 346834), (114332, 176851), (116596, 173417)]